Base | Representation |
---|---|
bin | 1100010110100101111… |
… | …1010101111000111110 |
3 | 202021210012102122220210 |
4 | 3011221133111320332 |
5 | 11434113121040220 |
6 | 241254412053250 |
7 | 21222042421512 |
oct | 3055137257076 |
9 | 667705378823 |
10 | 212223221310 |
11 | 820045262a1 |
12 | 35169164226 |
13 | 170217ab6c9 |
14 | a3b3608142 |
15 | 57c15d96e0 |
hex | 31697d5e3e |
212223221310 has 64 divisors (see below), whose sum is σ = 515925780480. Its totient is φ = 55861029120.
The previous prime is 212223221281. The next prime is 212223221321. The reversal of 212223221310 is 13122322212.
It is a super-2 number, since 2×2122232213102 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10396474 + ... + 10416866.
It is an arithmetic number, because the mean of its divisors is an integer number (8061340320).
Almost surely, 2212223221310 is an apocalyptic number.
212223221310 is an abundant number, since it is smaller than the sum of its proper divisors (303702559170).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
212223221310 is a wasteful number, since it uses less digits than its factorization.
212223221310 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 24873.
The product of its (nonzero) digits is 576, while the sum is 21.
Adding to 212223221310 its reverse (13122322212), we get a palindrome (225345543522).
The spelling of 212223221310 in words is "two hundred twelve billion, two hundred twenty-three million, two hundred twenty-one thousand, three hundred ten".
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